To the east of Winnipeg lies the Red River Floodway, a 47km long channel intended to prevent disastrous flooding in Canada’s 8th largest city. The arrival of spring in the northern hemisphere leads to flood alerts in many areas as snow melts and rivers rise. The Red River is renowned for causing flooding in the US states of North Dakota and Minnesota. It is Winnipeg, however, that is most threatened by this river. A terrible flood in 1950 led to construction of the Floodway from 1962 to 1968. At the time it was the world’s largest earth-moving project,…